The second, third, fourth edition IEC 62368-1 what is the difference?

The fourth edition of IEC 62368-1 is expected to launch in June.Many people think that all sorts of different versions of the IEC 62368-1 standard confusing!Here, we to the second edition IEC62368-1, 3 edition, four version of the main difference between a overview.Hope this can help you choose the most suitable version for your products.

The IEC 62368-1 version development outline

Never use the first edition of IEC 62368-1

IEC 62368-1 standard is a unified standard covers the purpose of the IEC 60950-1 and IEC 60065 standard range of products.However, when the release of the first edition of IEC 62368-1, many defects quickly confirm the standard is too much, IEC members agreed not to use the first standard authentication.Therefore, the first edition directly abolished by IEC standard, also has never adopted by Europe.

IEC 62368-1:14 (second edition)

The improved IEC 62368-1 the second version released in 2014.Since then thousands of CB certificate issued based on this version.The second version of the standard still have defects, especially in explanation of some requirements.In view of this, some manufacturers choose to wait until the third version of the standard directly after the release of reuse.In Europe, EN 62368-1:14 since December 20, 2020 forced to replace before the standard EN 60950-1, EN 60065.

IEC 62368-1:18 (third edition)

The third edition of IEC 62368-1 in 2018, this is also the present the latest version.Compared with the second edition, third edition standard has many improvements, clarify or replaces the previous version of the request.In Europe, the corresponding version is EN IEC 62368-1:20. Due to the standard on January 6, 2023, completely replace the EN 62368-1:14, then decided to delay for 18 months, until July 6, 2024.

IEC 62368-1:23 (the fourth edition)

The fourth edition of IEC 62368-1 is expected to release in June 2023.The fourth edition also has a lot of improvement, to clarify or replace the some requirements in the current version.One of the most significant change is that the IEC 60065 / IEC 60950-1 certification of parts or accessories will no longer be accepted.(related terms: the second and the third version of the standard Clause 4.4.1)

In Europe, the corresponding version named: EN, IEC 62368-1:23, is expected to be released in the second half of 2023.Because the current European version of the latest EN standard IEC 62368-1:20 never adopted by the official diary (OJ), the industry generally expected EN IEC 62368-1:23 will directly be used OJ.

Comparative overview of each version

Choose which version?

The third edition of standard DOW date is July 1, 2024, it was decided that this means to use the second version of the standard proof product compliance will be a thing of the past.On July 1st, 2024 manufacturers version can only choose to use the third or fourth edition of the standard.
DOW * * (Date of withdrawn) : is a standards set by CENELEC to replace the old standard of time, the time of the old standard was abolished.

Need from several factors to consider when choosing a version:

• Your products are mainly sold to which market?This is the key, because each country adopts a standard version of the time each are not identical.
• How long your product forecast to sell in the market?
• Is expected in the fourth edition of standards will be adopted by OJ, if the product did not have the extra risk assessment report, the fourth edition of the standard will be the most directly applicable to the European CE logo version.

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• Consulting services, according to your product and target market, to provide appropriate advice.
• Variance analysis
• The standard explanation/training
• test
• certification
• The global market access

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